Perform the indicated operations, expressing the answer in simplest form with rationalized denominators.
A. 
(
+ 1)
B. 
(
+ 1)
C. 
(
- 1)
D. 
(
+ 1)
Answer: A
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Determine the system of inequalities illustrated in the graph. Write inequalities in standard form.
A. x - y < 3 x + y > 6 B. x - y < 3 x + y < 6 C. x - y > 3 x + y > 6 D. x - y > 3 x + y < 6
Solve the problem.A new car was purchased for $14,500, and 3 years later it was worth $9100. Assume that the depreciation in value is given by a linear equation. Find the equation.
A. y = 14,500 - 3x B. y = 14,500 - 1800x C. y = 1800x D. y = 5400x
Eliminate the parameter.x = t - 3, y = 
A. y = 
B. y = 
C. y = 
D. y = 
Graph the unit circle using parametric equations with your calculator set to degree mode. Use a scale of 5. Trace the circle to find the sine and cosine of the angle to the nearest ten-thousandth.
?
265°
?
__________
?
__________
What will be an ideal response?